NMR, Novel Pharmacological and In Silico Docking Studies of Oxyacanthine and Tetrandrine: Bisbenzylisoquinoline Alkaloids Isolated from Berberis glaucocarpa Roots

Table 3

Urease inhibitory activity of Berberis glaucocarpa roots and compounds 1 and 2.

Serial number	Sample	% of inhibition	IC50 ± SEM (µg/mL)
1	Crude	82	12.32 ± 0.21
2	Fraction A	91	10.03 ± 0.01
3	Fraction B	54	24.82 ± 0. 43
4	Fraction C	89	11.10 ± 0.71
5	Fraction D	86	11.76 ± 0.19
6	Oxyacanthine (1)	98	6.35 ± 0.34
7	Tetrandrine (2)	99	5.51 ± 0.44
8	Standard (thiourea)	96	16.39 ± 0.11

Values are expressed as mean ± SEM of three different assays.